Is Nicholas Brody – MIA presumed dead for eight years in Iraq, now returning war hero – a terrorist sleeper? This is the question at the centre of Homeland. Except it isn’t. As befits ‘a post-9/11 world™’ the search for the answer throws up more questions. To its credit, while happy to thoughtfully explore the validity of the War on Terror and the questionable methods of the ‘good guys’, it doesn’t descend into a sixth form ethics debate. It remembers that it’s a television show. Rather than offer answers, Homeland trades in ambiguity…